---
title: "@backstage/backend-defaults — CVE-2026-106492"
description: "An authentication bypass flaw affects the npm package @backstage/backend-defaults. Affected versions: < 0.17.8. Fixed from version 0.17.8. CVSS score 7.6."
canonical: https://inyourgeek.com/en/failles-de-securite/2026-10-07-cve-2026-106492
type: faille-de-securite
author: "Sébastien Soulier"
publisher: "InYourGeek"
language: en
datePublished: 2026-10-07
dateModified: 2026-10-07
---
# @backstage/backend-defaults — CVE-2026-106492

An authentication bypass flaw affects the npm package @backstage/backend-defaults. Affected versions: < 0.17.8. Fixed from version 0.17.8. CVSS score 7.6.

## What to do

Update @backstage/backend-defaults to 0.17.8 or later.

| Fact | Value |
| --- | --- |
| Package | @backstage/backend-defaults |
| Ecosystem | npm (JavaScript) |
| Class | Authentication bypass |
| Affected versions | < 0.17.8 |
| Fixed version | 0.17.8 |
| CVSS | 7.6 |
| CVE | CVE-2026-106492 |
| GHSA | GHSA-cq7v-rfgc-5c7v |
| Published on | October 7, 2026 |
| Severity | High |

## Sources

- [GitHub Security Advisory — GHSA-cq7v-rfgc-5c7v](https://github.com/advisories/GHSA-cq7v-rfgc-5c7v) — GitHub Security Advisories
- [NVD — CVE-2026-106492](https://nvd.nist.gov/vuln/detail/CVE-2026-106492) — NVD

---

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